Home / 32,002.30-48,003.45-20,323.90

Finding the Fourth Proportional to 32,002.30, 48,003.45 and 20,323.90

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Solution

The fourth proportional to 32,002.30, 48,003.45 and 20,323.90 is: 30,485.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,002.30 : 48,003.45 = 20,323.90 : x
  2. Step 2: Convert to fraction form
    32,002.30/48,003.45 = 20,323.90/x
  3. Step 3: Cross multiply
    32,002.30x = 48,003.45 × 20,323.90
  4. Step 4: Simplify right side
    32,002.30x = 975,617,317.46
  5. Step 5: Solve for x
    x = 975,617,317.46/32,002.30
  6. Step 6: Final answer
    x = 30,485.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.